Download: Add Disabled, Originals, MediaRaw & MediaSidecar Flags #2234

Extends DownloadSettings with 4 additional options:
- Name: File name pattern for downloaded files (existed)
- Disabled: Disables downloads
- Originals: Only download files stored in "originals" folder
- MediaRaw: Include RAW image files
- MediaSidecar: Include metadata sidecar files (JSON, XMP, YAML)

pkg/clean/ascii.go

@@ -0,0 +1,14 @@
+package clean
+
+// ASCII removes all non-ascii characters from a string and returns it.
+func ASCII(s string) string {
+	result := make([]rune, 0, len(s))
+
+	for _, r := range s {
+		if r <= 127 {
+			result = append(result, r)
+		}
+	}
+
+	return string(result)
+}